![Propagation](https://image.tmdb.org/t/p/w342/mzPlQWudz6Qi49sNvso0HPCrW1j.jpg)
Propagation
Combining colour, animation and sound to clarify principles of radio-wave transmission, this film illustrates how antennas propagate radio waves.
- Year: 1960
- Country: Canada
- Genre: Animation
- Studio: ONF | NFB
- Keyword:
- Director: René Jodoin
- Cast: